Real questions from top companies · easy
Python libraries - Pandas, NumPy, Matplotlib for data processing
Python list operations.
Read data from three files into a Pandas DataFrame, perform transformations, remove columns, filter rows, search for strings
Reverse a Linked List - implement solution for singly linked list
S3 Cleanup Command - write script for managing and cleaning up outdated S3 objects
Shell: how to run jobs/scripts in the background?
Solve a regex problem
Solve for the Kth smallest element in a Binary Search Tree.
The transient Keyword in Java
Trapping Rain Water - calculate amount of water trapped between array elements
Using BashOperator to Trigger Python Script with Arguments
Virtual Environment in Python
What are Azure Functions Durable Functions, and how do they differ from regular Azure Functions?
What are docstrings? Use examples.
What are the key differences between interfaces and abstract classes in Java?
What happens if the run() method in a Thread class is not overridden?
What is the default value for float and Float in Java?
What is the difference between list1 = list2 and list1.copy()?
When would you use flatten, explode, or collect_list in Spark?
Which data structure occupies more memory: list or tuple? Why?
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